Transcend StoreJet 25 750GB USB Hard Drive "sj25m2" Questions

I have a SJ25M2 HDD which is not detected by any PC or any USB port. There is no "ding-****" sound on connection. Plz suggest Interesting solutionI have noticed. I shut down computer, then, ...

do we get new cables for SJ25M2??? My computer is not able 2 detect the device turn your device on but dont conect it to pc. wait 15 seconds and then when conecting it to your computer watch if ...